php 购物车完整实现代码
1、商品展示页面
<tablewidth="255" border="0"cellspacing="0"cellpadding="0">
<tr>
<tdwidth="130"rowspan="6"><divalign="center">
<?php
if(trim($info[tupian]==""))
{
echo"暂无图片";
}
else
{
?>
<imgsrc="<?phpecho$info[tupian];?>"width="130"height="100"border="0">
<?php
}
?>
</div></td>
<tdwidth="20"height="16"> </td>
<tdwidth="113"><fontcolor="EF9C3E">【<?phpecho$info[mingcheng];?>】</font></td>
</tr>
<tr>
<tdheight="16"> </td>
<td><fontcolor="910800">【市场价：<?phpecho$info[shichangjia];?>】</font></td>
</tr>
<tr>
<tdheight="16"> </td>
<td><fontcolor="DD4679">【会员价：<?phpecho$info[huiyuanjia];?>】</font></td>
</tr>
<tr>
<tdheight="16"> </td>
<td>【<ahref="lookinfo.php?id=<?phpecho$info[id];?>">查看信息</a>】</td>
</tr>
<tr>
<tdheight="16"> </td>
<td>【<ahref="addgouwuche.php?id=<?phpecho$info[id];?>">放入购物车</a>】</td>
</tr>
<tr>
<tdheight="16"> </td>
<td><fontcolor="13589B">【剩余数量：
<?php
if(($info[shuliang]-$info[cishu])>0)
{
echo($info[shuliang]-$info[cishu]);
}
else
{
echo"已售完";
}
?>】</font></td>
</tr>
</table>
<?php
}
?>
</table>
2、文件addgouwuche.php
<?php
session_start();
include("conn.php");
if($_SESSION[username]=="")
{
echo"<script>alert('请先登录后购物!');history.back();</script>";
exit;
}
$id=strval($_GET[id]);
$sql=mysql_query("select*fromshangpinwhereid='".$id."'",$conn);
$info=mysql_fetch_array($sql);
if($info[shuliang]<=0)
{
echo"<script>alert('该商品已经售完!');history.back();</script>";
exit;
}
$array=explode("@",$_SESSION[producelist]);
for($i=0;$i<count($array)-1;$i++)
{
if($array[$i]==$id)
{
echo"<script>alert('该商品已经在您的购物车中!');history.back();</script>";
exit;
}
}
$_SESSION[producelist]=$_SESSION[producelist].$id."@";
$_SESSION[quatity]=$_SESSION[quatity]."1@";
header("location:gouwu1.php");
?>
3、文件gouwu1.php
<?php
session_start();
if($_SESSION[username]=="")
{
echo"<script>alert('请先登录，后购物!');history.back();</script>";
exit;
}
?>
<?php
include("top.php");
?>
<tablewidth="800"height="438"border="0"align="center"cellpadding="0"cellspacing="0">
<tr>
<tdwidth="200"height="438"valign="top"bgcolor="#E8E8E8"><divalign="center">
<?phpinclude("left.php");?>
</div></td>
<tdwidth="10"background="images/line2.gif"> </td>
<tdwidth="590"valign="top"><tablewidth="550"height="10"border="0"align="center"cellpadding="0"cellspacing="0">
<tr>
<td> </td>
</tr>
</table>
<tablewidth="500"border="0"align="center"cellpadding="0"cellspacing="0">
<formname="form1"method="post"action="gouwu1.php">
<tr>
<tdheight="25"bgcolor="#555555"><divalign="center"style="color:#FFFFFF"><?phpecho$_SESSION[username];?>的购物车</div></td>
</tr>
<tr>
<td bgcolor="#555555"><tablewidth="500"border="0"align="center"cellpadding="0"cellspacing="1">
<?php
session_start();
session_register("total");
if($_GET[qk]=="yes")
{
$_SESSION[producelist]="";
$_SESSION[quatity]="";
}
$arraygwc=explode("@",$_SESSION[producelist]);
$s=0;
for($i=0;$i<count($arraygwc);$i++)
{
$s+=intval($arraygwc[$i]);
}
if($s==0)
{
echo"<tr>";
echo"<tdheight='25'colspan='6'bgcolor='#FFFFFF'align='center'>您的购物车为空!</td>";
echo"</tr>";
}
else
{
?>
<tr>
<tdwidth="125"height="25"bgcolor="#FFFFFF"><divalign="center">商品名称</div></td>
<tdwidth="52"bgcolor="#FFFFFF"><divalign="center">数量</div></td>
<tdwidth="64"bgcolor="#FFFFFF"><divalign="center">市场价</div></td>
<tdwidth="64"bgcolor="#FFFFFF"><divalign="center">会员价</div></td>
<tdwidth="51"bgcolor="#FFFFFF"><divalign="center">折扣</div></td>
<tdwidth="66"bgcolor="#FFFFFF"><divalign="center">小计</div></td>
<tdwidth="71"bgcolor="#FFFFFF"><divalign="center">操作</div></td>
</tr>
<?php
/**
*购物车商品数量管理
*Editwww.nhooo.com
*/
$total=0;
$array=explode("@",$_SESSION[producelist]);
$arrayquatity=explode("@",$_SESSION[quatity]);
while(list($name,$value)=each($_POST))
{
for($i=0;$i<count($array)-1;$i++)
{
if(($array[$i])==$name)
{
$arrayquatity[$i]=$value;
}
}
}
$_SESSION[quatity]=implode("@",$arrayquatity);
for($i=0;$i<count($array)-1;$i++) { $id=$array[$i]; $num=$arrayquatity[$i]; if($id!="") { $sql=mysql_query("select*fromshangpinwhereid='".$id."'",$conn); $info=mysql_fetch_array($sql); $total1=$num*$info[huiyuanjia]; $total+=$total1; $_SESSION["total"]=$total; ?> <tr> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"><?phpecho$info[mingcheng];?></div></td> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"> <inputtype="text"name="<?phpecho$info[id];?>"size="2"value=<?phpecho$num;?>> </div></td> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"><?phpecho$info[shichangjia];?>元</div></td> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"><?phpecho$info[huiyuanjia];?>元</div></td> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"><?phpecho@(ceil(($info[huiyuanjia]/$info[shichangjia])*100))."%";?></div></td> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"><?phpecho$info[huiyuanjia]*$num."元";?></div></td> <tdheight="25"bgcolor="#FFFFFF"><divalign="center"><ahref="removegwc.php?id=<?phpecho$info[id]?>">移除</a></div></td> </tr> <?php } } ?> <tr> <tdheight="25"colspan="8"bgcolor="#FFFFFF"><divalign="right"> <tablewidth="500"height="25"border="0"align="center"cellpadding="0"cellspacing="0"> <tr> <tdwidth="125"><divalign="center"> <inputtype="submit"value="更改商品数量"> </div></td> <tdwidth="125"><divalign="center"><ahref="gouwu2.php">去收银台</a></div></td> <tdwidth="125"><divalign="center"><ahref="gouwu1.php?qk=yes">清空购物车</a></div></td> <tdwidth="125"><divalign="left">总计：<?phpecho$total;?></div></td> </tr> </table> </div></td> </tr> <?php } ?> </table></td> </tr> </form> </table></td> </tr> </table>